Function createChangeset

packages/cli/src/commands/add/createChangeset.ts:109–284

(
  changedPackages: Array<string>,
  allPackages: Package[],
  messageFromCli?: string
)

}

export default async function createChangeset(
  changedPackages: Array<string>,
  allPackages: Package[],
  messageFromCli?: string
): Promise<{ confirmed: boolean; summary: string; releases: Array<Release> }> {
  const releases: Array<Release> = [];

  if (allPackages.length > 1) {
    const packagesToRelease = await getPackagesToRelease(
      changedPackages,
      allPackages
    );

    let pkgJsonsByName = getPkgJsonsByName(allPackages);

    let pkgsLeftToGetBumpTypeFor = new Set(packagesToRelease);

    let pkgsThatShouldBeMajorBumped = (
      await cli.askCheckboxPlus(
        bold(`Which packages should have a ${red("major")} bump?`),
        [
          {
            name: "all packages",
            choices: packagesToRelease.map((pkgName) => {
              return {
                name: pkgName,
                message: formatPkgNameAndVersion(
                  pkgName,
                  pkgJsonsByName.get(pkgName)!.version
                ),
              };
            }),
          },
        ],
        (x) => {
          // this removes changed packages and unchanged packages from the list
          // of packages shown after selection
          if (Array.isArray(x)) {
            return x
              .filter((x) => x !== "all packages")
              .map((x) => cyan(x))
              .join(", ");
          }
          return x;
        }
      )
    ).filter((x) => x !== "all packages");

    for (const pkgName of pkgsThatShouldBeMajorBumped) {
      // for packages that are under v1, we want to make sure major releases are intended,
      // as some repo-wide sweeping changes have mistakenly release first majors
      // of packages.
      let pkgJson = pkgJsonsByName.get(pkgName)!;

      let shouldReleaseFirstMajor = await confirmMajorRelease(pkgJson);
      if (shouldReleaseFirstMajor) {
        pkgsLeftToGetBumpTypeFor.delete(pkgName);